Installation Guide

P32 Modem Port
Modem port P32 is a RS-232 port with V.24 interface used for the RCU,
Remote Control Unit.
The connector is found on the DIA board to the left in the cabinet.
P32 is a 9 pole D-sub male connector.
P32 modem connector pinning
Pin 1 DCD
Pin 2 RXD
Pin 3 TXD
Pin 4 DTR
Pin 5 GND
Pin 6 DSR
Pin 7 RTS
Pin 8 RFS
Pin 9 RI
P33 Alarm Port
Alarm port P33 is used for external alarm sensors and alarm equipment.
The connector is found on the DIA board to the left in the cabinet.
P33 is a 15 pole D-sub female connector.
The port has four alarm inputs, EAL1 - EAL4, and two alarm outputs.
Four alarm inputs
The inputs are low-level inputs with common ground (AIC).
Use insulated switch or relay to initiate alarms (open switches in normal
operating mode, closed switches cause alarm).
The alarm switch connection can be toggled between being active open or
active closed. This is further described in the OMT32, User’s Manual and
in the Advanced Repeater OMS, User’s Manual.
The alarm input voltage ratings, related to ground (AIC), are:
Vin
max
= 5.5V
Vin
min
= –0.5V
P33 alarm connector pinning
Pin 14 AI1 External alarm input 1 - EAL1.
Pin 15 AI2 External alarm input 2 - EAL2.
Pin 7 AI3 External alarm input 3 - EAL3.
Pin 8 AI4 External alarm input 4 - EAL4.
Pin 6 AIC Ground.
5 1
69
81
159
Allgon Systems AB AR Repeaters Installation
VD204 43/EN - Installation Guide Rev. 1A 2001-06 2 - 20